1. Ubuntu Security Notices
  2. USN-4038-2

USN-4038-2: bzip2 vulnerabilities

Publication date

26 June 2019

Overview

Several security issues were fixed in bzip2.

Releases

Packages

  • bzip2 - high-quality block-sorting file compressor - utilities

Details

USN-4038-1 fixed several vulnerabilities in bzip2. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Aladdin Mubaied discovered that bzip2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2016-3189)

It was discovered that bzip2 incorrectly handled certain files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2019-12900)

USN-4038-1 fixed several vulnerabilities in bzip2. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Aladdin Mubaied discovered that bzip2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2016-3189)

It was discovered that bzip2 incorrectly handled certain files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2019-12900)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
14.04 trusty bzip2 –  1.0.6-5ubuntu0.1~esm1
lib32bz2-1.0 –  1.0.6-5ubuntu0.1~esm1
lib64bz2-1.0 –  1.0.6-5ubuntu0.1~esm1
libbz2-1.0 –  1.0.6-5ubuntu0.1~esm1
12.04 precise bzip2 –  1.0.6-1ubuntu0.1
lib32bz2-1.0 –  1.0.6-1ubuntu0.1
lib64bz2-1.0 –  1.0.6-1ubuntu0.1
libbz2-1.0 –  1.0.6-1ubuntu0.1

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References

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